#include "notmuch-client.h"
-int
-notmuch_search_command (void *ctx, int argc, char *argv[])
+/* If the user asks for more than this number of threads, then break
+ the results down into chunks so that results start appearing
+ quickly rather than the user having to wait until all results are
+ available before anything appears.
+
+ Since each subsequent chunk ends up having to re-do threading work
+ done by all previous chunks, we double the chunk size repeatedly
+ until all desired results have been returned.
+*/
+#define NOTMUCH_SEARCH_INITIAL_CHUNK_SIZE 100
+
+/* Do the actual search for a chunk of threads and display the results,
+ (returning the number of threads found in this chunk). */
+static int
+do_search_threads (const void *ctx,
+ notmuch_query_t *query,
+ notmuch_sort_t sort,
+ int first, int max_threads)
{
- void *local = talloc_new (ctx);
- notmuch_database_t *notmuch = NULL;
- notmuch_query_t *query;
- notmuch_threads_t *threads;
notmuch_thread_t *thread;
+ notmuch_threads_t *threads;
notmuch_tags_t *tags;
- char *query_str;
- const char *relative_date;
time_t date;
- notmuch_status_t ret = NOTMUCH_STATUS_SUCCESS;
-
- notmuch = notmuch_database_open (NULL);
- if (notmuch == NULL) {
- ret = 1;
- goto DONE;
- }
-
- query_str = query_string_from_args (local, argc, argv);
-
- query = notmuch_query_create (notmuch, query_str);
- if (query == NULL) {
- fprintf (stderr, "Out of memory\n");
- ret = 1;
- goto DONE;
- }
+ const char *relative_date;
+ int num_threads = 0;
- for (threads = notmuch_query_search_threads (query);
+ for (threads = notmuch_query_search_threads (query, first, max_threads);
notmuch_threads_has_more (threads);
notmuch_threads_advance (threads))
{
- int first = 1;
+ int first_tag = 1;
thread = notmuch_threads_get (threads);
+ num_threads++;
+
+ if (sort == NOTMUCH_SORT_OLDEST_FIRST)
+ date = notmuch_thread_get_oldest_date (thread);
+ else
+ date = notmuch_thread_get_newest_date (thread);
- date = notmuch_thread_get_oldest_date (thread);
- relative_date = notmuch_time_relative_date (local, date);
+ relative_date = notmuch_time_relative_date (ctx, date);
- printf ("thread:%s %12s %s",
+ printf ("thread:%s %12s [%d/%d] %s; %s",
notmuch_thread_get_thread_id (thread),
relative_date,
+ notmuch_thread_get_matched_messages (thread),
+ notmuch_thread_get_total_messages (thread),
+ notmuch_thread_get_authors (thread),
notmuch_thread_get_subject (thread));
printf (" (");
notmuch_tags_has_more (tags);
notmuch_tags_advance (tags))
{
- if (! first)
+ if (! first_tag)
printf (" ");
printf ("%s", notmuch_tags_get (tags));
- first = 0;
+ first_tag = 0;
}
printf (")\n");
notmuch_thread_destroy (thread);
}
- notmuch_query_destroy (query);
+ return num_threads;
+}
- DONE:
- if (notmuch)
- notmuch_database_close (notmuch);
- talloc_free (local);
+int
+notmuch_search_command (void *ctx, int argc, char *argv[])
+{
+ notmuch_config_t *config;
+ notmuch_database_t *notmuch;
+ notmuch_query_t *query;
+ char *query_str;
+ int i, first = 0, max_threads = -1;
+ char *opt, *end;
+ notmuch_sort_t sort = NOTMUCH_SORT_NEWEST_FIRST;
+ int chunk_size;
+ int threads_in_chunk;
+
+ for (i = 0; i < argc && argv[i][0] == '-'; i++) {
+ if (strcmp (argv[i], "--") == 0) {
+ i++;
+ break;
+ }
+ if (STRNCMP_LITERAL (argv[i], "--first=") == 0) {
+ opt = argv[i] + sizeof ("--first=") - 1;
+ first = strtoul (opt, &end, 10);
+ if (*opt == '\0' || *end != '\0') {
+ fprintf (stderr, "Invalid value for --first: %s\n", opt);
+ return 1;
+ }
+ } else if (STRNCMP_LITERAL (argv[i], "--max-threads=") == 0) {
+ opt = argv[i] + sizeof ("--max-threads=") - 1;
+ max_threads = strtoul (opt, &end, 10);
+ if (*opt == '\0' || *end != '\0') {
+ fprintf (stderr, "Invalid value for --max-threads: %s\n", opt);
+ return 1;
+ }
+ } else if (STRNCMP_LITERAL (argv[i], "--sort=") == 0) {
+ opt = argv[i] + sizeof ("--sort=") - 1;
+ if (strcmp (opt, "oldest-first") == 0) {
+ sort = NOTMUCH_SORT_OLDEST_FIRST;
+ } else if (strcmp (opt, "newest-first") == 0) {
+ sort = NOTMUCH_SORT_NEWEST_FIRST;
+ } else {
+ fprintf (stderr, "Invalid value for --sort: %s\n", opt);
+ return 1;
+ }
+ } else {
+ fprintf (stderr, "Unrecognized option: %s\n", argv[i]);
+ return 1;
+ }
+ }
+
+ argc -= i;
+ argv += i;
+
+ config = notmuch_config_open (ctx, NULL, NULL);
+ if (config == NULL)
+ return 1;
+
+ notmuch = notmuch_database_open (notmuch_config_get_database_path (config),
+ NOTMUCH_DATABASE_MODE_READ_ONLY);
+ if (notmuch == NULL)
+ return 1;
+
+ query_str = query_string_from_args (ctx, argc, argv);
+ if (query_str == NULL) {
+ fprintf (stderr, "Out of memory.\n");
+ return 1;
+ }
+ if (*query_str == '\0') {
+ fprintf (stderr, "Error: notmuch search requires at least one search term.\n");
+ return 1;
+ }
+
+ query = notmuch_query_create (notmuch, query_str);
+ if (query == NULL) {
+ fprintf (stderr, "Out of memory\n");
+ return 1;
+ }
+
+ notmuch_query_set_sort (query, sort);
+
+ /* If we receive a max-threads option, then the user is
+ responsible for any chunking and we return all results at
+ once. */
+ if (max_threads < 0)
+ chunk_size = NOTMUCH_SEARCH_INITIAL_CHUNK_SIZE;
+ else
+ chunk_size = max_threads;
+
+ do {
+ threads_in_chunk = do_search_threads (ctx, query, sort,
+ first, chunk_size);
+ if (chunk_size == max_threads)
+ break;
+
+ first += chunk_size;
+
+ chunk_size *= 2;
+
+ } while (threads_in_chunk);
+
+ notmuch_query_destroy (query);
+ notmuch_database_close (notmuch);
- return ret;
+ return 0;
}